May 9, 2010 Engineering & Science Crossword Puzzle
Happy Mother's Day!

Note: A standard for crossword puzzles is when all words in a clue are capitalized, the solution is the abbreviation or acronym for that clue; e.g., Alternating Current = AC.

2010 Engineering & Science Crossword Puzzles

Visit the Crossword Express website - RF CafeTake a break from the drudgery by trying your hand at some of these goodies. Every word in the RF Cafe crossword puzzles is specifically related to engineering, mathematics, and science. There are no generic backfill words like many other puzzles give you, so you'll never see a clue asking for the name of a movie star or a mountain on the Russia-China border.

All of these crossword puzzles were created using the fabulous Crossword Express (now called " Magnum Opus") software.

- Dec 19, Dec 12, Dec 5
- Nov 28, Nov 21, Nov 14, Nov 7
- Oct 31, Oct 24, Oct 17, Oct 10, Oct 3
- Sep 26, Sep 12, Sep 5
- Aug 29, Aug 22
- Jul 25, Jul 18, Jul 11, Jul 4
- Jun 27, Jun 20, Jun 13, Jun 6
- May 30, May 23, May 16, May 9, May 2
- Apr 25, Apr 18, Apr 11, Apr 4
- Mar 28, Mar 21, Mar 14, Mar 7
- Feb 28, Feb 21, Feb 14, Feb 7
- Jan 31, Jan 24, Jan 17, Jan 10, Jan 3

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

RF Cafe - Engineering & Science Crossword Puzzle, 5-9-2010

ACROSS

1. Form for winding inductors
6. _____ Instruments, a programmable delay line manufacturer in Bellevue, WA
11. Early predecessor to an online forum (abbr.)
12. Type of component package (abbr.)
14. _____ Microwave East (part of L3-Com), RF component manufacturer located in Hauppauge, NY
16. Chemical symbol for scandium
17. Adjective describing a device that requires an applied voltage to operate
20. A measure of receiver quality (abbr.)
21. IC killer (abbr.)
22. Logical gate type (pl.)
24. Chemical symbol for krypton
25. Electrical overstress (abbr.)
28. Between-series connectors
32. Hz
34. Mate to a TX
35. Software drafting tool (abbr.)
38. Electronics Industry Association (abbr.)
40. Chemical symbol for bismuth
41. CW signal onto which information is modulated
42. Low- to mid- frequency RF connector
43. Collection of electronic records (abbr.)
45. Threaded tuning rod in a coil
47. Branch of the armed forces
49. Chemical symbol for europium
51. Digital encoding of the transmission mode in the vertical sync portion of an SSTV image (abbr.)
53. The "S" in SAW
56. Chemical symbol for magnesium
57. Greek letter often used to represent an angle
59. Add two or more inputs
60. Chemical symbol for tantalum
62. One system's phonetic letter "z"
65. Emitting or reflecting usually steady, suffused, or glowing light
68. Ham abbreviation indicating contacts with all major land masses
70. Multifunctional silicon devices (abbr.)
71. International phonetic alphabet letter "P"
72. ___/IP scheme for networked connectivity
74. Method of connecting redundant power supplies
75. Engineering university located in Palo Alto, CA
78. Chemical symbol for lithium
79. Printer manufacturer
82. 1.602E-19 Joules
83. Once around a circuit
84. _____ International, wireless modules & products supplier in Fairfield, CT
85. ___-___ RF switch manufacturer in Ventura, CA

DOWN

1. Largest broadcaster in the UK (abbr.)
2. Unix, Linux or Windows (abbr.)
3. Strong, lightweight wood
4. Negative temperature coefficient (abbr.)
5. Airport Surveillance Radar (abbr.)
7. Switch position
8. Computer communication schemes (abbr.)
9. Notch type filter (abbr.)
10. Yard (abbr.)
11. RF engineer's degree
13. Search for data (slang)
15. Automatic Packet Position Reporting System (abbr.)
17. BS__ - the degree held by many RF Cafe visitors
18. Type of current
19. Referring to electrical supply cables
23. Type of flip-flop
26. Amateur radio abbreviation for the Oceania region (abbr.)
27. ________ Microwave, RF components & systems manufacturer w/HQ in Fairview, PA
29. Geometric solid having two ends which are similar, equal, and parallel rectilinear figures, and sides which are parallelograms
30. Mate to an RX
31. ________ Microwave, passive RF component manufacturer in Fairview, TX
33. Chemical symbol for silicon
35. Chemical symbol for chromium
36. Morse Code for "from"
37. Chemical symbol for antimony
39. Analog-to-Digital (abbr.)
41. Chemical symbol for copper
44. Data safeguards
46. Name of the first series in the spectrum of hydrogen
48. One component of a complex number (abbr.)
50. One type of electron spin
52. Chemical symbol for selenium
54. Unit of time (abbr.)
55. Type of modulation (abbr.)
58. Abbreviation for Hertz
60. Semiconductor and calculator company (abbr.)
61. Under self-control (prefix)
63. 10^1 numerical prefix
64. Trigger diode that conducts current only after its breakdown voltage has been exceeded momentarily
65. Chemical symbol for lanthanum
66. Join a male and a female connector
67. Threaded fastener
69. IC
71. Type of data storage IC (abbr.)
73. Chemical symbol for palladium
74. Exponent that returns the original number
76. A feedback scheme to level out the receiver audio volume (abbr.)
77. Frequency Division Duplex
78. Direction of carbon fiber strands
80. Chemical symbol for aluminum
81. Chemical symbol for nobelium
83. Front edge of a wing (abbr.)



See solution below

















RF Cafe - Engineering & Science Crossword, 5-9-2010